import java.util.Scanner;
public class Main3 {
    public static void main(String[] args) {
        Scanner in=new Scanner(System.in);
        String inputStr=in.nextLine();
        Node root=new Node();
        root.setText(String.valueOf(inputStr.charAt(0)));

    }

}
class Node{
    private Node left;
    private Node right;
    private String text;
    public Node getLeft() {
        return left;
    }

    public void setLeft(Node left) {
        this.left = left;
    }

    public Node getRight() {
        return right;
    }

    public void setRight(Node right) {
        this.right = right;
    }

    public String getText() {
        return text;
    }

    public void setText(String text) {
        this.text = text;
    }
}
